Finding the Fourth Proportional to 13,114.40, 18,096.42 and 7,808.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,114.40 : 18,096.42 = 7,808.18 : x
2. Step 2: Convert to fraction form
   13,114.40/18,096.42 = 7,808.18/x
3. Step 3: Cross multiply
   13,114.40x = 18,096.42 × 7,808.18
4. Step 4: Simplify right side
   13,114.40x = 141,300,104.72
5. Step 5: Solve for x
   x = 141,300,104.72/13,114.40
6. Step 6: Final answer
   x = 10,774.42